id | GO:0005085   Detailed information
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  name | guanyl-nucleotide exchange factor activity
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  namespace | molecular_function
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  alt_id | GO:0008433
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  alt_id | GO:0016219
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  alt_id | GO:0019839
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  def | "Stimulates the exchange of guanyl nucleotides associated with a GTPase. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase." [GOC:kd, GOC:mah]
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  subset | gosubset_prok
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  is_a | GO:0030695 ! GTPase regulator activity
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  relationship | negatively_regulates GO:0019003 ! GDP binding
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